diff --git a/include/Astar.h b/include/Astar.h
index 5c20b7e..61c0076 100644
--- a/include/Astar.h
+++ b/include/Astar.h
@@ -1,4 +1,3 @@
-#include "stdafx.h"
 #include "BranchTree.h"
 #include <cmath>
 #include <vector>
diff --git a/include/BVH.h b/include/BVH.h
index 68b6347..c3f43dc 100644
--- a/include/BVH.h
+++ b/include/BVH.h
@@ -1,4 +1,3 @@
-#include "stdafx.h"
 #include "ReadXML.h"
 #include <cmath>
 #include <vector>
diff --git a/include/BasicChannel.h b/include/BasicChannel.h
index 499fd65..b087589 100644
--- a/include/BasicChannel.h
+++ b/include/BasicChannel.h
@@ -1,4 +1,3 @@
-#include "stdafx.h"
 #include "Bundle.h"
 #include <cmath>
 #include <vector>
diff --git a/include/BasicEdge.h b/include/BasicEdge.h
index dec97e3..e9681c6 100644
--- a/include/BasicEdge.h
+++ b/include/BasicEdge.h
@@ -1,4 +1,3 @@
-#include "stdafx.h"
 #include "BasicChannel.h"
 #include <cmath>
 #include <vector>
diff --git a/include/BranchPoint.h b/include/BranchPoint.h
index b38a9d4..e8ae91e 100644
--- a/include/BranchPoint.h
+++ b/include/BranchPoint.h
@@ -1,4 +1,3 @@
-#include "stdafx.h"
 #include "Clip.h"
 #include <cmath>
 #include <vector>
diff --git a/include/BranchTree.h b/include/BranchTree.h
index c0ba0ca..a841e4b 100644
--- a/include/BranchTree.h
+++ b/include/BranchTree.h
@@ -1,4 +1,3 @@
-#include "stdafx.h"
 #include "BasicEdge.h"
 #include <cmath>
 #include <vector>
diff --git a/include/Bundle.h b/include/Bundle.h
index f9c337f..927a844 100644
--- a/include/Bundle.h
+++ b/include/Bundle.h
@@ -1,4 +1,3 @@
-#include "stdafx.h"
 #include "Path.h"
 #include <cmath>
 #include <vector>
diff --git a/include/Clip.h b/include/Clip.h
index f4acf6d..52cbf8e 100644
--- a/include/Clip.h
+++ b/include/Clip.h
@@ -1,4 +1,3 @@
-#include "stdafx.h"
 #include "KDtree.h"
 #include <cmath>
 #include <vector>
diff --git a/include/Connector.h b/include/Connector.h
index 878821e..14bd993 100644
--- a/include/Connector.h
+++ b/include/Connector.h
@@ -1,4 +1,3 @@
-#include "stdafx.h"
 #include "Const.h"
 #include <cmath>
 #include <vector>
diff --git a/include/Const.h b/include/Const.h
index a1db782..0d085d1 100644
--- a/include/Const.h
+++ b/include/Const.h
@@ -1,4 +1,3 @@
-#include "stdafx.h"
 #include "Point.h"
 #include "Geometry.h"
 #include "Intersection.h"
diff --git a/include/KDtree.h b/include/KDtree.h
index d045d01..2aaf527 100644
--- a/include/KDtree.h
+++ b/include/KDtree.h
@@ -1,4 +1,3 @@
-#include "stdafx.h"
 #include "BVH.h"
 #include <cmath>
 #include <vector>
diff --git a/include/Path.h b/include/Path.h
index 1df8528..dc7d08f 100644
--- a/include/Path.h
+++ b/include/Path.h
@@ -1,4 +1,3 @@
-#include "stdafx.h"
 #include "BranchPoint.h"
 #include <cmath>
 #include <vector>
diff --git a/include/ReadXML.h b/include/ReadXML.h
index 1047ca1..02d9716 100644
--- a/include/ReadXML.h
+++ b/include/ReadXML.h
@@ -1,4 +1,3 @@
-#include "stdafx.h"
 #include "Connector.h"
 #include <string>
 #include <map>
diff --git a/lib/Geometry.cpp b/lib/Geometry.cpp
index 9787108..f222f53 100644
--- a/lib/Geometry.cpp
+++ b/lib/Geometry.cpp
@@ -1,4 +1,3 @@
-// #include "stdafx.h"
 #include "Geometry.h"
 
 AABB::AABB()
diff --git a/src/xmlsql.cpp b/src/xmlsql.cpp
index ce1c29c..9669121 100644
--- a/src/xmlsql.cpp
+++ b/src/xmlsql.cpp
@@ -1,7 +1,8 @@
 // xmlsql.cpp : 定义控制台应用程序的入口点。
 //
 
-#include "stdafx.h"
+#include <iostream>
+#include <tinyxml2.h>
 #include "Astar.h"
 #include "Geometry.h"
 #include "Intersection.h"
diff --git a/src/stdafx.cpp b/stdafx.cpp
similarity index 100%
rename from src/stdafx.cpp
rename to stdafx.cpp
diff --git a/include/stdafx.h b/stdafx.h
similarity index 100%
rename from include/stdafx.h
rename to stdafx.h